Window Rock, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Window Rock, a community in Mckinley County, Arizona.
Tonight
48°F
Slight Chance Showers And Thunderstorms then Patchy Fog
A slight chance of showers and thunderstorms before midnight, then patchy fog. Mostly clear, with a low around 48. South wind around 0 mph.
7-day forecast for Window Rock
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 48°F | Slight Chance Showers And Thunderstorms then Patchy Fog | 0 mph | 13% |
| Saturday | 75°F | Patchy Fog then Sunny | 0 to 15 mph W | 1% |
| Saturday Night | 41°F | Mostly Clear | 0 to 15 mph NW | 1% |
| Sunday | 75°F | Sunny | 0 to 10 mph W | 0% |
| Sunday Night | 42°F | Partly Cloudy | 0 to 10 mph NW | 0% |
| Monday | 75°F | Partly Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 46°F | Mostly Cloudy | 0 to 5 mph W | 3% |
| Tuesday | 74°F | Partly Sunny then Showers And Thunderstorms Likely | 0 to 15 mph S | 60% |
| Tuesday Night | 44°F | Showers And Thunderstorms Likely | 0 to 10 mph SE | 61% |
| Wednesday | 70°F | Showers And Thunderstorms Likely | 0 to 5 mph E | 55% |
| Wednesday Night | 44°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 29% |
| Thursday | 70°F | Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 10 mph E | 50% |
| Thursday Night | 44°F | Chance Showers And Thunderstorms | 0 to 10 mph SE | 43% |
| Friday | 70°F | Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 10 mph SE | 51% |
Forecast source: National Weather Service (api.weather.gov) for Window Rock (35.671, -109.063). Updated through the day.
Growing snapshot for Window Rock
Last spring frost
May 29
First fall frost
Sep 28
Growing season
121 days
Hardiness zone
6b
More local growing data for Window Rock: nearby ZIP 86515 weather · frost dates · planting calendar · Arizona frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Window Rock Ap, Az (5.5 mi from Window Rock). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.